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Old 01-17-2009, 03:17 PM
Wim de Vries
 
Default problem with USB cdc-acm

Hi,
I am trying to connect a (serial) USB device to my asus eee pc 900 with
Dedian.
The device connects OK on my HP compaq 6910p with Suse 10.3:
dmesg:
usb 7-1: new full speed USB device using uhci_hcd and address 4
usb 7-1: new device found, idVendor=04d8, idProduct=000a
usb 7-1: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 7-1: Product: PIC18 USB CDC
usb 7-1: Manufacturer: Microchip
usb 7-1: SerialNumber: V1.1FS
usb 7-1: configuration #1 chosen from 1 choice
drivers/usb/class/cdc-acm.c: This device cannot do calls on its own. It
is no modem.
cdc_acm 7-1:1.0: ttyACM0: USB ACM device

so it should ánd can use cdc-acm

on the eee pc (the cdc-acm module is installed):

[ 216.648044] usb 2-1: new full speed USB device using uhci_hcd and address 4
[ 216.704127] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 217.888078] usb 2-1: new full speed USB device using uhci_hcd and address 5
[ 218.031991] usb 2-1: device descriptor read/all, error -71
[ 218.088093] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 219.128078] usb 2-1: new full speed USB device using uhci_hcd and address 7
[ 219.277888] usb 2-1: unable to read config index 0 descriptor/all
[ 219.277888] usb 2-1: can't read configurations, error -71
[ 219.336093] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 220.368043] usb 2-1: new full speed USB device using uhci_hcd and address 9
[ 220.424086] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 221.608071] usb 2-1: new full speed USB device using uhci_hcd and address 10
[ 221.750199] usb 2-1: device descriptor read/all, error -71
[ 221.808058] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 222.848077] usb 2-1: new full speed USB device using uhci_hcd and address 12
[ 222.990081] usb 2-1: device descriptor read/all, error -71
[ 223.048063] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 224.088066] usb 2-1: new full speed USB device using uhci_hcd and address 14
[ 224.144103] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 225.328076] usb 2-1: new full speed USB device using uhci_hcd and address 15
[ 225.476010] usb 2-1: unable to read config index 0 descriptor/start: -71
[ 225.476010] usb 2-1: chopping to 0 config(s)
[ 225.483627] usb 2-1: string descriptor 0 read error: -71
[ 225.491359] usb 2-1: string descriptor 0 read error: -71
[ 225.499051] usb 2-1: string descriptor 0 read error: -71
[ 225.499051] usb 2-1: no configuration chosen from 0 choices
[ 225.499051] usb 2-1: New USB device found, idVendor=04d8, idProduct=000a
[ 225.499051] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 225.499051] usb 2-1: USB disconnect, address 15
[ 226.568073] usb 2-1: new full speed USB device using uhci_hcd and address 16
[ 226.710080] usb 2-1: device descriptor read/all, error -71
[ 226.768103] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 227.808075] usb 2-1: new full speed USB device using uhci_hcd and address 18
[ 227.950081] usb 2-1: device descriptor read/all, error -71
[ 228.008095] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 229.068076] usb 2-1: new full speed USB device using uhci_hcd and address 20
[ 229.125840] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 230.288075] usb 2-1: new full speed USB device using uhci_hcd and address 21
[ 230.430184] usb 2-1: device descriptor read/all, error -71
[ 230.488094] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 231.528176] usb 2-1: new full speed USB device using uhci_hcd and address 23
[ 231.670199] usb 2-1: device descriptor read/all, error -71
[ 231.728102] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 232.768075] usb 2-1: new full speed USB device using uhci_hcd and address 25
[ 232.824102] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 234.008069] usb 2-1: new full speed USB device using uhci_hcd and address 26
[ 234.150081] usb 2-1: device descriptor read/all, error -71
[ 234.208090] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 235.248078] usb 2-1: new full speed USB device using uhci_hcd and address 28
[ 235.304101] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 236.488081] usb 2-1: new full speed USB device using uhci_hcd and address 29
[ 236.638138] usb 2-1: unable to read config index 0 descriptor/all
[ 236.638138] usb 2-1: can't read configurations, error -71
[ 236.696109] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 237.728077] usb 2-1: new full speed USB device using uhci_hcd and address 31
[ 237.877946] usb 2-1: unable to read config index 0 descriptor/all
[ 237.877946] usb 2-1: can't read configurations, error -71
[ 237.936107] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 238.968077] usb 2-1: new full speed USB device using uhci_hcd and address 33
[ 239.024075] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 240.208067] usb 2-1: new full speed USB device using uhci_hcd and address 34
[ 240.350082] usb 2-1: device descriptor read/all, error -71
[ 240.408093] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 241.448075] usb 2-1: new full speed USB device using uhci_hcd and address 36
[ 241.504095] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 242.688047] usb 2-1: new full speed USB device using uhci_hcd and address 37
[ 242.830269] usb 2-1: device descriptor read/all, error -71
[ 242.888077] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 243.928077] usb 2-1: new full speed USB device using uhci_hcd and address 39
[ 244.078015] usb 2-1: unable to read config index 0 descriptor/all
[ 244.078015] usb 2-1: can't read configurations, error -71
[ 244.136101] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 245.168039] usb 2-1: new full speed USB device using uhci_hcd and address 41
[ 245.310084] usb 2-1: device descriptor read/all, error -71
[ 245.368063] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 246.408036] usb 2-1: new full speed USB device using uhci_hcd and address 43
[ 246.464069] hub 2-0:1.0: unable to enumerate USB device on port 1

... etc.
I have googled and tried the whole day but cannot get it working.
Is there a way to force the use of the cdc-acm module for this device?
thanks.
Wim


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Old 01-18-2009, 08:01 PM
Wim de Vries
 
Default problem with USB cdc-acm

Hi,
Some additional information:
when unplug the power supply, I can get it working for a few minutes
(ttyACM0). Then the same errors appears.
Unplugging and plugging it in again results in a change to ttyACM1.
regards, wim.

Wim de Vries wrote:
> Hi,
> I am trying to connect a (serial) USB device to my asus eee pc 900 with
> Dedian.
> The device connects OK on my HP compaq 6910p with Suse 10.3:
> dmesg:
> usb 7-1: new full speed USB device using uhci_hcd and address 4
> usb 7-1: new device found, idVendor=04d8, idProduct=000a
> usb 7-1: new device strings: Mfr=1, Product=2, SerialNumber=3
> usb 7-1: Product: PIC18 USB CDC
> usb 7-1: Manufacturer: Microchip
> usb 7-1: SerialNumber: V1.1FS
> usb 7-1: configuration #1 chosen from 1 choice
> drivers/usb/class/cdc-acm.c: This device cannot do calls on its own. It
> is no modem.
> cdc_acm 7-1:1.0: ttyACM0: USB ACM device
>
> so it should ánd can use cdc-acm
>
> on the eee pc (the cdc-acm module is installed):
>
> [ 216.648044] usb 2-1: new full speed USB device using uhci_hcd and address 4
> [ 216.704127] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 217.888078] usb 2-1: new full speed USB device using uhci_hcd and address 5
> [ 218.031991] usb 2-1: device descriptor read/all, error -71
> [ 218.088093] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 219.128078] usb 2-1: new full speed USB device using uhci_hcd and address 7
> [ 219.277888] usb 2-1: unable to read config index 0 descriptor/all
> [ 219.277888] usb 2-1: can't read configurations, error -71
> [ 219.336093] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 220.368043] usb 2-1: new full speed USB device using uhci_hcd and address 9
> [ 220.424086] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 221.608071] usb 2-1: new full speed USB device using uhci_hcd and address 10
> [ 221.750199] usb 2-1: device descriptor read/all, error -71
> [ 221.808058] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 222.848077] usb 2-1: new full speed USB device using uhci_hcd and address 12
> [ 222.990081] usb 2-1: device descriptor read/all, error -71
> [ 223.048063] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 224.088066] usb 2-1: new full speed USB device using uhci_hcd and address 14
> [ 224.144103] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 225.328076] usb 2-1: new full speed USB device using uhci_hcd and address 15
> [ 225.476010] usb 2-1: unable to read config index 0 descriptor/start: -71
> [ 225.476010] usb 2-1: chopping to 0 config(s)
> [ 225.483627] usb 2-1: string descriptor 0 read error: -71
> [ 225.491359] usb 2-1: string descriptor 0 read error: -71
> [ 225.499051] usb 2-1: string descriptor 0 read error: -71
> [ 225.499051] usb 2-1: no configuration chosen from 0 choices
> [ 225.499051] usb 2-1: New USB device found, idVendor=04d8, idProduct=000a
> [ 225.499051] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [ 225.499051] usb 2-1: USB disconnect, address 15
> [ 226.568073] usb 2-1: new full speed USB device using uhci_hcd and address 16
> [ 226.710080] usb 2-1: device descriptor read/all, error -71
> [ 226.768103] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 227.808075] usb 2-1: new full speed USB device using uhci_hcd and address 18
> [ 227.950081] usb 2-1: device descriptor read/all, error -71
> [ 228.008095] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 229.068076] usb 2-1: new full speed USB device using uhci_hcd and address 20
> [ 229.125840] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 230.288075] usb 2-1: new full speed USB device using uhci_hcd and address 21
> [ 230.430184] usb 2-1: device descriptor read/all, error -71
> [ 230.488094] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 231.528176] usb 2-1: new full speed USB device using uhci_hcd and address 23
> [ 231.670199] usb 2-1: device descriptor read/all, error -71
> [ 231.728102] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 232.768075] usb 2-1: new full speed USB device using uhci_hcd and address 25
> [ 232.824102] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 234.008069] usb 2-1: new full speed USB device using uhci_hcd and address 26
> [ 234.150081] usb 2-1: device descriptor read/all, error -71
> [ 234.208090] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 235.248078] usb 2-1: new full speed USB device using uhci_hcd and address 28
> [ 235.304101] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 236.488081] usb 2-1: new full speed USB device using uhci_hcd and address 29
> [ 236.638138] usb 2-1: unable to read config index 0 descriptor/all
> [ 236.638138] usb 2-1: can't read configurations, error -71
> [ 236.696109] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 237.728077] usb 2-1: new full speed USB device using uhci_hcd and address 31
> [ 237.877946] usb 2-1: unable to read config index 0 descriptor/all
> [ 237.877946] usb 2-1: can't read configurations, error -71
> [ 237.936107] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 238.968077] usb 2-1: new full speed USB device using uhci_hcd and address 33
> [ 239.024075] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 240.208067] usb 2-1: new full speed USB device using uhci_hcd and address 34
> [ 240.350082] usb 2-1: device descriptor read/all, error -71
> [ 240.408093] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 241.448075] usb 2-1: new full speed USB device using uhci_hcd and address 36
> [ 241.504095] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 242.688047] usb 2-1: new full speed USB device using uhci_hcd and address 37
> [ 242.830269] usb 2-1: device descriptor read/all, error -71
> [ 242.888077] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 243.928077] usb 2-1: new full speed USB device using uhci_hcd and address 39
> [ 244.078015] usb 2-1: unable to read config index 0 descriptor/all
> [ 244.078015] usb 2-1: can't read configurations, error -71
> [ 244.136101] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 245.168039] usb 2-1: new full speed USB device using uhci_hcd and address 41
> [ 245.310084] usb 2-1: device descriptor read/all, error -71
> [ 245.368063] hub 2-0:1.0: unable to enumerate USB device on port 1
> [ 246.408036] usb 2-1: new full speed USB device using uhci_hcd and address 43
> [ 246.464069] hub 2-0:1.0: unable to enumerate USB device on port 1
>
> ... etc.
> I have googled and tried the whole day but cannot get it working.
> Is there a way to force the use of the cdc-acm module for this device?
> thanks.
> Wim
>
>
>


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